<?php
// +----------------------------------------------------------------------+
// | PHP Version 4														|
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group								|
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license,	   |
// | that is bundled with this package in the file LICENSE, and is		|
// | available at through the world-wide-web at						   |
// | http://www.php.net/license/3_0.txt.								  |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to		  |
// | license@php.net so we can mail you a copy immediately.			   |
// +----------------------------------------------------------------------+
// | Authors: Aidan Lister <aidan@php.net>								|
// +----------------------------------------------------------------------+
//
// $Id: array_key_exists.php,v 1.1 2005/07/11 16:34:35 ggiunta Exp $


/**
 * Replace array_key_exists()
 *
 * @category	PHP
 * @package	 PHP_Compat
 * @link		http://php.net/function.array_key_exists
 * @author	  Aidan Lister <aidan@php.net>
 * @version	 $Revision: 1.1 $
 * @since	   PHP 4.1.0
 * @require	 PHP 4.0.0 (user_error)
 */
if (!function_exists('array_key_exists')) {
	function array_key_exists($key, $search)
	{
		if (!is_scalar($key)) {
			user_error('array_key_exists() The first argument should be either a string or an integer',
				E_USER_WARNING);
			return false;
		}

		if (is_object($search)) {
			$search = get_object_vars($search);
		}

		if (!is_array($search)) {
			user_error('array_key_exists() The second argument should be either an array or an object',
				E_USER_WARNING);
			return false;
		}

		return in_array($key, array_keys($search));
	}
}

?>